641205876720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{72207869}}^1$

素因数の和:72207922

約数の個数: 80

約数和(自身を含む): 2041460900640

約数和(自身を除く): 1400255023920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 72207869, 144415738, 216623607, 288831476, 361039345, 433247214, 577662952, 722078690, 866494428, 1083118035, 1155325904, 1444157380, 1732988856, 2166236070, 2671691153, 2888314760, 3465977712, 4332472140, 5343382306, 5776629520, 8015073459, 8664944280, 10686764612, 13358455765, 16030146918, 17329888560, 21373529224, 26716911530, 32060293836, 40075367295, 42747058448, 53433823060, 64120587672, 80150734590, 106867646120, 128241175344, 160301469180, 213735292240, 320602938360, 641205876720]

約数ペア:

[(1, 641205876720), (2, 320602938360), (3, 213735292240), (4, 160301469180), (5, 128241175344), (6, 106867646120), (8, 80150734590), (10, 64120587672), (12, 53433823060), (15, 42747058448), (16, 40075367295), (20, 32060293836), (24, 26716911530), (30, 21373529224), (37, 17329888560), (40, 16030146918), (48, 13358455765), (60, 10686764612), (74, 8664944280), (80, 8015073459), (111, 5776629520), (120, 5343382306), (148, 4332472140), (185, 3465977712), (222, 2888314760), (240, 2671691153), (296, 2166236070), (370, 1732988856), (444, 1444157380), (555, 1155325904), (592, 1083118035), (740, 866494428), (888, 722078690), (1110, 577662952), (1480, 433247214), (1776, 361039345), (2220, 288831476), (2960, 216623607), (4440, 144415738), (8880, 72207869)]